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settings.go
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settings.go
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package db
import (
"database/sql"
"encoding/json"
"errors"
"sync"
"github.com/OpenBazaar/openbazaar-go/repo"
)
var SettingsNotSetError error = errors.New("Settings not set")
type SettingsDB struct {
db *sql.DB
lock sync.RWMutex
}
func (s *SettingsDB) Put(settings repo.SettingsData) error {
s.lock.Lock()
defer s.lock.Unlock()
tx, err := s.db.Begin()
if err != nil {
return err
}
b, err := json.MarshalIndent(&settings, "", " ")
if err != nil {
return err
}
stmt, err := tx.Prepare("insert or replace into config(key, value) values(?,?)")
if err != nil {
return err
}
defer stmt.Close()
_, err = stmt.Exec("settings", string(b))
if err != nil {
tx.Rollback()
return err
}
tx.Commit()
return nil
}
func (s *SettingsDB) Get() (repo.SettingsData, error) {
s.lock.RLock()
defer s.lock.RUnlock()
settings := repo.SettingsData{}
stmt, err := s.db.Prepare("select value from config where key=?")
if err != nil {
return settings, err
}
defer stmt.Close()
var settingsBytes []byte
err = stmt.QueryRow("settings").Scan(&settingsBytes)
if err != nil {
return settings, SettingsNotSetError
}
err = json.Unmarshal(settingsBytes, &settings)
if err != nil {
return settings, err
}
return settings, nil
}
func (s *SettingsDB) Update(settings repo.SettingsData) error {
current, err := s.Get()
if err != nil {
return errors.New("Not Found")
}
if settings.PaymentDataInQR == nil {
settings.PaymentDataInQR = current.PaymentDataInQR
}
if settings.ShowNotifications == nil {
settings.ShowNotifications = current.ShowNotifications
}
if settings.ShowNsfw == nil {
settings.ShowNsfw = current.ShowNsfw
}
if settings.ShippingAddresses == nil {
settings.ShippingAddresses = current.ShippingAddresses
}
if settings.LocalCurrency == nil {
settings.LocalCurrency = current.LocalCurrency
}
if settings.Country == nil {
settings.Country = current.Country
}
if settings.Language == nil {
settings.Language = current.Language
}
if settings.TermsAndConditions == nil {
settings.TermsAndConditions = current.TermsAndConditions
}
if settings.RefundPolicy == nil {
settings.RefundPolicy = current.RefundPolicy
}
if settings.BlockedNodes == nil {
settings.BlockedNodes = current.BlockedNodes
}
if settings.StoreModerators == nil {
settings.StoreModerators = current.StoreModerators
}
if settings.MisPaymentBuffer == nil {
settings.MisPaymentBuffer = current.MisPaymentBuffer
}
if settings.SMTPSettings == nil {
settings.SMTPSettings = current.SMTPSettings
}
err = s.Put(settings)
if err != nil {
return err
}
return nil
}
// Delete removes all settings from the database. It's a destructive action that should be used with care.
func (s *SettingsDB) Delete() error {
s.lock.Lock()
defer s.lock.Unlock()
stmt, err := s.db.Prepare("delete from config where key = ?")
if err != nil {
return err
}
defer stmt.Close()
_, err = stmt.Exec("settings")
return err
}